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<a name="ref.ack"></a>Acknowledgements</h2></div></div></div>
<p><code class="computeroutput">ref</code> and <code class="computeroutput">cref</code>
  were originally part of the <a href="../../../libs/tuple/index.html" target="_top">Tuple</a> library
  by Jaakko J&#228;rvi. They were "promoted to boost:: status" by
  Peter Dimov because they are generally useful.  Douglas Gregor and
  Dave Abrahams contributed
  <code class="computeroutput"><a class="link" href="../boost/is_reference_wrapper.html" title="Class template is_reference_wrapper">is_reference_wrapper</a></code> and
  <code class="computeroutput"><a class="link" href="../boost/unwrap_reference.html" title="Class template unwrap_reference">unwrap_reference</a></code>.  Frank Mori Hess and Ronald
  Garcia contributed <code class="computeroutput">boost::unwrap_ref</code></p>
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<td align="right"><div class="copyright-footer">Copyright &#169; 1999, 2000 Jaakko J&#228;rvi<br>Copyright &#169; 2001, 2002 Peter Dimov<br>Copyright &#169; 2002 David Abrahams<p>Subject to the Boost Software License, Version 1.0. See 
      accompanying file <code class="filename">LICENSE_1_0.txt</code> or copy at
      <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>.
      </p>
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